| Manufacturer | Designation | nickname |
|---|---|---|
| Huff-Daland | HN | |
| Boeing | N2B | |
| Curtiss | N2C | Fledgling |
| Martin | N2M | |
| Naval Aircraft Factory | N2N | |
| Stearman | N2S | Kaydet |
| Timm | N2T | Tutor |
| Consolidated | N2Y | |
| Naval Aircraft Factory | N3N | Yellow Peril |
| Consolidated | N3Y | |
| Consolidated | N4Y | |
| Naval Aircraft Factory | N5N | |
| Boeing | NB | |
| Piper | NE | Grasshopper |
| Howard | NH | |
| North American | NJ | |
| Keystone | NK | |
| Langley | NL | |
| Spartan | NP | |
| Fairchild | NQ | |
| Maxson | NR | |
| Ryan | NR | Recruit |
| Stearman | NS | |
| New Standard | NT | |
| Wright | NW | |
| Consolidated | NY | |